Finding the Fourth Proportional to 1,104,642.06, 1,524,391.48 and 621,207.06
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Solution
The fourth proportional to 1,104,642.06, 1,524,391.48 and 621,207.06 is: 857,257.55
Step by Step Solution
- Step 1: Write the proportion equation
1,104,642.06 : 1,524,391.48 = 621,207.06 : x - Step 2: Convert to fraction form
1,104,642.06/1,524,391.48 = 621,207.06/x - Step 3: Cross multiply
1,104,642.06x = 1,524,391.48 × 621,207.06 - Step 4: Simplify right side
1,104,642.06x = 946,962,744,639.89 - Step 5: Solve for x
x = 946,962,744,639.89/1,104,642.06 - Step 6: Final answer
x = 857,257.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.